Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
-Sandra would like to write an expression to select the third order element that follows the context node as a sibling. Which of the following do you tell her is the correct expression?
A) sibling::order[3]
B) following::order[3]
C) sibling-or-self::order[3]
D) following-sibling::order[3]

Question

Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
-Sandra would like to write an expression to select the third order element that follows the context node as a sibling. Which of the following do you tell her is the correct expression?
A) sibling::order[3] 
B) following::order[3] 
C) sibling-or-self::order[3] 
D) following-sibling::order[3]

Quizplus · Accepted Answer

The correct expression to select the third order element that follows the context node as a sibling is "following-sibling::order[3]". The "following-sibling" axis selects all the siblings that come after the context node, and the "[3]" predicate selects the third occurrence of the "order" element among those siblings.

Sandra Is Working with an XML File Containing Product Orders